Improved dumping-car



I. KEITH.

Dumping Car. N0. 92,457.v Patented July 13, 1869.

N. PETERS. Photo-Lithographer, Washington. D c

Kiribati fitters patent dtfiiw;

ISAAC KEITH, CE WEST SANDWICH, MASSACHUSETTS, ASSIGNOR To HIMSELF,

HIRAM KEITH, AND ISAAC 1v. KEITH, or SAME PLACE.

Letters Patent No. 92,457, dated July 13, 1869.

IMPROVED DUMPING-CAR.

the Schedule referred to in these Letters Patent and making part of the same.

To all-persons to whom these presents may come: I

Be it known that I, ISAAC KEITH, of West Sandwich, in the county of Barnstable, and State of Massachusetts, have invented a new and useful 'or Improved Railway Dumping-Oar or Carriage; and I do hereby declare the same to be fully described in the following specification, and represented in the accompanying drawings, of which-- Figure 1 is a top view, Figure 2, a side elevation, Figure 3, a longitudinal section, Figine4, an end elevation, and Figure 5, a transverse section of it. In such drawings, A denotes a double truck and platform-car, that is,- one having a platform, a-,'and

two trucks 1) I), each truck being provided with fOlll supporting-wheels, c c c c, and two axles thereto, the whole being what, in common parlance, is termed a platform long car.

Each of the trucks is to be so applied to the platform as to be capable of swivelling or turning thereunder, 011 a pivot, or its equivalent, arranged at or near the centre or middleof the truck.

To the platform of the said truck, and so as to extend transversely, across it and above it, I apply two or more-series of wheels or grooved rollers, d d d d.

Those of one series are to be arranged in line with each other, and at or about at equal distances apart, an

7 parallel with those of the next series; and each roller is to be so applied to the platform as to be capable of freely revolving.

On the grooved peripheries of each series of rollers a rail or runner, e, projecting downward from a dumping-sledge, or tip-cart body, rests.

There are to be two, or any other suitable number of such dumping-sledges, or cart-bodies arranged on the platform a, which is to be provided with two or more sets of bearing-rollers for each of such sledges or cart-bodies.

Each sledge or cart-body is also to have a runner for each set or series of such wheels.

Fm'thermore, I make each of the dumping-sledges or cart-bodies, with two pendulous sides or swinging tails f f, formed as represented, and pivoted to the upper parts of posts g g, such posts being erected at the corners of the sledge 'or cart-body, and having end-boards h 71-, applied to them and the cart-body.

There also extends downward, from each end of each cart-body, an ear or projection, 6, which supports a horizontal stud, 7;, that goes under and against a guide-bar, 1, running across the platform, and elevated a short distance above it.

At or near its two ends, the guide-bar is bent downward inmanner as shown, and afterward is fastened to thesi des of the platform.

Near the middle of each guide-bar 1, there are secured to the platform two chains, in m, which, at their outer ends, are provided with hooks n n, to enter staples o 0, fixed to opposite parts of the cart-body.

Instead of the series of wheels being applied directly to the platform, they may be aifixed to the tipcart body, in which case their runners or rails should be applied to the platform; but I by no means consider such so good an arrangement as that first mentioned, or, which involves the application of the wheels to the platform, and the runners to the cart-body.

The guides l l keep the cart-body in place upon the wheels of the platform.

' The pair of chains, also, when both are hooked to the cart-body, serves to prevent it from moving in either direction laterally of the platform.

Buft'when it may be desirable to dump or tip the cart-body, in order to discharge a load of earth or gravel therefrom, the chains next the side of the platfoim over which the cart-body-is to be tipped, should first be rmhooked from their stap1 es.- Next, the cartbody should be moved laterally until its-studs, 7c 7:, may bring up against the upright parts or bends of the guides Z l after which the sledge or cart-body may be tipped over the edg'e of the platform, into the position as shown in dotted-lines in fig. 4, in order for the discharge'ofthe load.

The bodies of common four-wheel dmnping-cars do not slide on their wheel-frames, but are applied thereto so as simply to turn in bearings arranged under the middles of the bodies.

By supporting the tip-cart or body, by means of wheels and rails applied to it and the long car-platform, the. cart-body may be moved and tipped, so as to discharge its earth or load at a greateror less dis.-

tance from the wheels of the trucks than would be the-- case, were the body to turn only at its middle, without being capableof first being moved laterally along the platform.

WVith the common dumping-oar, the earth is often dumped too near the wheels, so as to fall between them and upon the railway-track, thereby being in the way of the wheels, and often requiring to be moved before the car can be startedor moved on the track.

I am aware that it is not new to run upon a long car-platform a Series of swell baggage-cars, provided with wheels.

I therefore make no claim to such. What'I claim, isv The combination and arrangement of a platform, a,

and its two trucks 1) b, (composing a long car,') with one or more tip-cart bodies, B, and with supportingwheels (I and runners c, guide-rails l and studs 7:, or their equivalents, arranged substantially as described.

' Also, the Combination of the four holding-chains m,

or their equivalent, with each tip-cart body, the long car-platform, and their supporting-runners, wheels,

guides, and studs, asset forth.

' ISAAC KEITH.

Witnesses R. H. EDDY, S. N. PIPER. 

